/*
 * Copyright (C) 2005 - 2013 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008 - 2013 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010 - 2013 ProjectSkyfire <http://www.projectskyfire.org/>
 *
 * Copyright (C) 2011 - 2013 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef __UPDATEDATA_H
#define __UPDATEDATA_H

#include "ByteBuffer.h"
class WorldPacket;

enum OBJECT_UPDATE_TYPE
{
    UPDATETYPE_VALUES = 0,
    //UPDATETYPE_MOVEMENT             = 0xFF, //deleted in 4.0.3.
    UPDATETYPE_CREATE_OBJECT = 1, UPDATETYPE_CREATE_OBJECT2 = 2, UPDATETYPE_OUT_OF_RANGE_OBJECTS = 3,
//UPDATETYPE_NEAR_OBJECTS         = 0xFF //deleted in 4.0.3.
};

enum OBJECT_UPDATE_FLAGS
{
    UPDATEFLAG_NONE = 0x0000, UPDATEFLAG_SELF = 0x0001, UPDATEFLAG_TRANSPORT = 0x0002, UPDATEFLAG_HAS_TARGET = 0x0004,
    //UPDATEFLAG_LOWGUID      = 0x0008, deleted in 4.0.3
    //UPDATEFLAG_HIGHGUID     = 0x0010, deleted in 4.0.3
    UPDATEFLAG_LIVING = 0x0020, UPDATEFLAG_HAS_POSITION = 0x0040, UPDATEFLAG_VEHICLE = 0x0080, UPDATEFLAG_POSITION = 0x0100, UPDATEFLAG_ROTATION = 0x0200, UPDATEFLAG_UNK1 = 0x0400,          //not found.
    UPDATEFLAG_UNK2 = 0x0800,          //added in 4.0.3
    UPDATEFLAG_UNK3 = 0x1000,
//added in 4.0.3
};

class UpdateData
{
public:
    UpdateData ();

    void AddOutOfRangeGUID (std::set<uint64>& guids);
    void AddOutOfRangeGUID (const uint64 &guid);
    void AddUpdateBlock (const ByteBuffer &block);
    bool BuildPacket (WorldPacket *packet);
    bool HasData ()
    {
        return m_blockCount > 0 || !m_outOfRangeGUIDs.empty();
    }
    void Clear ();

    std::set<uint64> const& GetOutOfRangeGUIDs () const
    {
        return m_outOfRangeGUIDs;
    }
    uint16 m_map;

protected:
    uint32 m_blockCount;
    std::set<uint64> m_outOfRangeGUIDs;
    ByteBuffer m_data;

    void Compress (void* dst, uint32 *dst_size, void* src, int src_size);
};
#endif
